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The host is on WHM VPS. Distro: CentOS 5.5 I am having trouble with No SWAP Space available on the machine. And I want to set it up. I've tried ...
  1. #1
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    Sep 2010
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    Swap Space Problem

    The host is on WHM VPS.
    Distro: CentOS 5.5

    I am having trouble with No SWAP Space available on the machine. And I want to set it up. I've tried searching a lot but no solution I found specific to this problem. Only some where I found to fix/repare the file system according to my scenario of findings in the machine.

    Following is the information till now I have found in the machine while trying to get a fix. But only the deeper I could go and found nothing to resolve.
    Code:
    [~]# free -m
                 total       used       free     shared    buffers     cached
    Mem:          1024        176        847          0          0          0
    -/+ buffers/cache:        176        847
    Swap:            0          0          0
    I, then, followed a tutorial to create/increase the swap file. Following is what I reached to..
    According to the instructions I checked with the command "swapon -s" and got following output
    Code:
    [~]# swapon -s
    Filename                                Type            Size    Used    Priority
    
    [~]#
    Apparently I didn't see any thing in the above detail. But I continued on as per the tutorial that goes down.
    Code:
    [~]# dd if=/dev/zero of=/extraswap bs=1M count=2048
    2048+0 records in
    2048+0 records out
    2147483648 bytes (2.1 GB) copied, 16.5224 seconds, 130 MB/s
    
    [~]# mkswap /extraswap
    Setting up swapspace version 1, size = 2147479 kB
    
    [~]# swapon /extraswap
    swapon: /extraswap: Operation not permitted
    Unfortunately, the "swapon" command failed with the error "Operation not permitted". I also tried the above steps after performing "swapoff -a" just to make sure. But it resulted the same output.

    I also got some thing about to check with the "fdisk -l". but following is what it resulted
    Code:
    [~]# fdisk -l
    cannot open /proc/partitions
    
    [~]#
    After getting the above error. I tried to check the file "partitions" in /proc. And I didn't see any "partitions" file there.
    Code:
    [~]# ls /proc
    ./      15843/  19551/  23993/  26386/  5620/        loadavg  sys/
    ../     15844/  19552/  24241/  26393/  5816/        locks    sysrq-trigger
    1/      15845/  19621/  24362/  26417/  5848/        meminfo  sysvipc/
    11556/  15900/  19622/  26071/  26451/  cmdline      modules  uptime
    11557/  15960/  19623/  26104/  27952/  cpuinfo      mounts   user_beancounters
    15831/  17627/  19624/  26133/  31833/  devices      net/     version
    15840/  17691/  22140/  26313/  31834/  filesystems  self     vmstat
    15841/  17692/  23765/  26340/  31841/  fs/          stat     vz/
    15842/  17741/  23767/  26353/  31842/  kmsg         swaps
    [~]#
    I am not able to do any thing else to increase the Swap file. I'd really need help for that purpose.

    Thanks in advance..
    Regards,

  2. #2
    Super Moderator devils casper's Avatar
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    Hi and Welcome !

    Post the output of fdisk -l and df -h commands here.
    It is amazing what you can accomplish if you do not care who gets the credit.
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